Readout weight difference based on vector diff, not absolute sum of weights
Readout weight difference based on vector diff, not absolute sum of weights

git-svn-id: 0cd6ce32684af1121cc5c15b6bbe6d941580fd9f@1436 10eb3eed-6697-4d8c-9aac-32ebf1d36239

igsor/HDPy,igsor/HDPy